PRODUCT CONTAINS & SIZE: 2 PCS hub caps with gaskets and flange bolts for replacement.Bolt holes = 6, bolt circle = 4 1/2”, bolt hole size = 5/16”, fit = steer Approximate dimensions = flange OD 5 1/4" flange ID 3 1/2" height 2 5/8" Approximate net weight = 11 oz REPLACEMENT: Our hub cap is compatible with: SKF️ 1612, SKF️ 1711, Stemco️ 343-4024, replace for Ford 97591612 F81A1131BA 93001612 96581612, Freightliner 1612 CHR 1612 XCR 1612, Kenworth CR1612, Peterbilt CR1612, Volvo 23873065 20388298 23873065 PREMIUM MATERIAL: One black, composite, oil-filled hub cap. Includes mounting gasket, window, vent plug, side pipe fill plug, and 6 mounting bolts. Lightweight, high-impact composite body resists salt, chemicals, corrosion, and UV damage. It's designed to withstand the toughest conditions and provide reliable performance over time EXCELLENT SEALING: Our hub cap replacement features a high-quality seal. Vented one-way center plug valve seals keep out contaminants. An embedded aluminum ring evenly distributes the mounting load. A molded pressure ridge on the flange surface helps ensure a leak-proof seal and improves sealing ability. This helps to prolong the life of your wheel bearings and prevent costly repairs TRANSPARENT OIL WINDOW: With our hub cap replacement, you can easily monitor the oil level in your wheel hub thanks to its clear oil window. This allows you to keep your wheel bearings properly lubricated and helps to prevent damage caused by insufficient oil PRODUCT CONTAINS & SIZE: 2 PCS hub caps with gaskets and flange bolts for replacement.Bolt holes = 6, bolt circle = 4 1/2”, bolt hole size = 5/16”, fit = steer Approximate dimensions = flange OD 5 1/4" flange ID 3 1/2" height 2 5/8" Approximate net weight = 11 oz.REPLACEMENT: Our hub cap is compatible with: SKF️ 1612, SKF️ 1711, Stemco️ 343-4024, replace for Ford 97591612 F81A1131BA 93001612 96581612, Freightliner 1612 CHR 1612 XCR 1612, Kenworth CR1612, Peterbilt CR1612, Volvo 23873065 20388298 23873065.PREMIUM MATERIAL: One black, composite, oil-filled hub cap. Includes mounting gasket, window, vent plug, side pipe fill plug, and 6 mounting bolts. Lightweight, high-impact composite body resists salt, chemicals, corrosion, and UV damage. It's designed to withstand the toughest conditions and provide reliable performance over time. EXCELLENT SEALING: Our hub cap replacement features a high-quality seal. Vented one-way center plug valve seals keep out contaminants. An embedded aluminum ring evenly distributes the mounting load. A molded pressure ridge on the flange surface helps ensure a leak-proof seal and improves sealing ability. This helps to prolong the life of your wheel bearings and prevent costly repairs. TRANSPARENT OIL WINDOW: With our hub cap replacement, you can easily monitor the oil level in your wheel hub thanks to its clear oil window. This allows you to keep your wheel bearings properly lubricated and helps to prevent damage caused by insufficient oil.